Some have half-baked ideas because their ideals are not heated up enough.

The minute a phrase, becomes current, it becomes an apology for not thinking accurately to the end of the sentence.

What is the hardest thing in the world? To think.

I think and that is all that I am.

Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.

When thought becomes excessively painful, action is the finest remedy.

Having each some shingles of thought well dried, we sat and whittled them.

Thoughts are the shadows of our sensations -- always darker, emptier, simpler than these.

Man is obviously made for thinking. Therein lies all his dignity and his merit; and his whole duty is to think as he ought.

Tell your boss what you think of him and the truth shall set you free.