The Shari’ah intends to save human beings from hardship. The Holy Qur’an says:
“Allah intends for you ease, and He does not want to make things difficult for you and [wants] for you to complete the period and to glorify Allah for that [to] which He has guided you; and perhaps you will be grateful.” (Al-Baqarah2:185).
It further says, “Allah wishes to lighten (the burden) for you; and man was created weak.” (An-Nisaa’ 4:28).
One day, the Messenger of Allah saw a person leaving a camel in the jungle. He asked him: “Why don’t you tie down your camel?” The man answered: “I put my trust in Allah.”
The Prophet said: “Tie your camel first and then put your trust in Allah.” 
A similar hadith, though narrated differently, was:
Anas ibn Malik reported: A man said, “O Messenger of Allah, shall I tie it (the camel) and rely (upon Allah), or leave it loose and rely (upon Allah)?” The Messenger of Allah, peace and blessings be upon him, said, “Tie it and rely (upon Allah).” (Graded: Hasan, Al-Albani)
 Jami at-Tirmidhi (Eng. Trans.), vol. 4, p. 509, no.2517