The only hope [of science] ... is in genuine induction.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

People who repeatedly find career success learn to broaden their perspective and understand that there are always several roads to getting where you want to go.

I keep on working when other people are out having fun. But I love what I do and find it hard to stop.

One small cloud, cast out by the herd, limps away to the west.

Tranquil as a forest, but on fire within, once you find your center, you are sure to win.

If a man is wise, he gets rich an' if he gets rich, he gets foolish, or his wife does. That's what keeps the money movin' around.

If the building of a bridge does not enrich the awareness of those who work on it, then the bridge ought not to be built.

It is easy to be tolerant of the principles of other people if you have none of your own.

There are no more new worlds. The unoccupied arable lands of the earth are limited, and will soon be taken.

Glory is sacrifice, glory is exhaustion, glory is having nothing left to give.

Desire +Stability = Resolution, Resolution +Hard work=success