There is a reference in Aristotle to a gnat produced by larvae engendered in the slime of vinegar. This must have been Drosophila.
Grief is one illness that defies all remedies; it must ever run its course.
Let's always try to paint the truth ... our art must be made to mean something.
She thought it must be a lonely life for a boy who hated books.
She reflected she must be completely besotted with Peter, if his laughter could hallow an aspidistra.
Why must we climb away to the seal-less parts of the world?
The silence between us was so profound I thought part of it must be my fault.
She said that in writing anything, you must be perfectly honest.
If a book can save—redeem us from the mediocrity of the mundane—surely, there must be a God.
You must depend on higher power to fulfill your mission in tough journey.
We have been called by God; we must live life worthy of our calling.
You must have a strong will and determined spirit to fight any form of oppression.
Today's students can put dope in their veins or hope in their brains. If they can conceive it and believe it, they can achieve it. They must know it is not their aptitude but their attitude that will determine their altitude.
I have discovered that just because we grow weaker physically as we age, it doesn't mean that we must grow weaker spiritually.
As a result of the digital age and the decline of first-class mail, there is no question that the Postal Service must change and develop a new business model.
Men are beginning to realize that they are not individuals but persons in society, that man alone is weak and adrift, that he must seek strength in common action.
I've accepted I can't rely on my work alone; I must market myself. The truly spectacular roles do go to the girls who actively promote their popularity.
If we take science as our sole guide, if we accept and hold fast that alone which is verifiable, the old theology must go.
Writing is a solitary occupation. Family, friends, and society are the natural enemies of the writer. He must be alone, uninterrupted, and slightly savage if he is to sustain and complete an undertaking.
I believe that no man who holds a leader's position should ever accept favors from either side. He is then committed to show favors. A leader must stand alone.
The happiness of one's own heart alone cannot satisfy the soul; one must try to include, as necessary to one's own happiness, the happiness of others.